VOLUNTARY EMISSIONS RECALL 00E-AO1 - FAULT ACCESS / O2 READINESS CODES. BMW HAS DETERMINED THAT DUE TO AN ENGINE CONTROL MODULE SOFTWARE ERROR, A COMMUNICATION CONFLICT EXISTS BETWEEN THE ENGINE CONTROL MODULE AND THE TRANSMISSION CONTROL MODULE. THIS MAY LEAD TO DIFFICULTIES OR PREVENT COMMUNICATION AND DATA TRANSMISSION BETWEEN THE ENGINE CONTROL MODULE AND AN OFF-BOARD SCAN TOOL. SUCH A SCAN TOOL MAY BE USED DURING AN OFFICIAL VEHICLE INSPECTION, SMOG CHECK, OR AN ENGINE REPAIR; AND / OR THE OXYGEN SENSOR READINESS CODE MAY NOT SET ON AFFECTED VEHICLES. *TT
